'Big Bang Theory' Simon Helberg, wife expecting first child

Simon Helberg has revealed that he and wife Jocelyn Towne are expecting a baby.

The Big Bang Theory actor's rep disclosed the news in a statement on Friday (January 26).

"The Big Bang Theory's Simon Helberg and his wife, actress/writer/director Jocelyn Towne, have announced they are expecting their first child in the spring," the spokesperson told US Weekly.

Helberg - who plays Howard Wolowitz on the show - married Towne in Los Angeles in 2007.

In addition to The Big Bang Theory, Helberg has appeared in National Lampoon's Van Wilder, A Cinderella Story and A Serious Man.

Towne made a guest appearance in Gossip Girl and is currently working on drama I Am I, in which she appears alongside her husband. The film also stars former Lost actor Kevin Tighe and Parenthood's Jason Ritter.